Chemistry GK MCQ Questions SET-6 with Answers free PDF Download

Chemistry GK MCQ Questions SET-6 with Answers free PDF Download

We have provide GK MCQ Questions for Chemistry GK questions with Answers free PDF. Download based on the important concepts and topics given in the textbook as per new exam pattern. All these Chemistry GK MCQs Multiple Choice Questions with Answers provided here with detailed solutions. Use them as reference and be confident in the actual exam by practicing the MCQ Quiz Questions of Chemistry GK as much as you can. Each question has four options followed by the right answer.

MCQ Questions for Chemistry GK with Answers

Q1. The gas that usually causes explosions in coal mines is

(i) Hydrogen
(ii) Carbon monoxide
(iii) Air
(iv) Methane

(iv) Methane

Q2. The material known in commerce as Terylene is a

(i) Synthetic fibre
(ii) Natural fibre
(iii) Modified natural fibre
(iv) Blend of cotton and silk

(i) Synthetic fibre

Q3. How many neutrons does iron have?

(i) 8
(ii) 13
(iii) 26
(iv) 30

(iv) 30

Q4. The main constituent of natural gas is

(i) Methane
(ii) Ethane
(iii) Butane
(iv) Propane

(i) Methane

Q5. Which of the following is used as filler in tyre of rubber ?

(i) Carbon black
(ii) Coal
(iii) Coke
(iv) Graphite

(i) Carbon black

Q6. Which one of the following minerals is found in pure form?

(i) Iron
(ii) Copper
(iii) Bauxite
(iv) Manganese

(ii) Copper

Q7. The most electronegative element among the following is

(i) Fluorine
(ii) Sodium
(iii) Chlorine
(iv) Oxygen

(i) Fluorine

Q8. The metallurgical process in which a metal is obtained in a fused state is called

(i) smelting
(ii) roasting
(iii) calcinations
(iv) froth floatation

(i) smelting

Q9. Table salt gets moist during rainy season because

(i) Sodium chloride is hygroscopic
(ii) Sodium chloride is deliquescent
(iii) Sodium chloride contains some quantity of sodium iodide
(iv) Sodium chloride contains hygroscopic impurities like magnesium chloride

(iv) Sodium chloride contains hygroscopic impurities like magnesium chloride

Q10. Malathion is a/an

(i) Insecticide
(ii) Fumigant
(iii) Preservative
(iv) Pesticide

(i) Insecticide

Q11. In organic compounds, nitrogen is estimated by

(i) Carius method
(ii) Victor-Meyer’s method
(iii) Liebig’s method
(iv) Dumas method

(iv) Dumas method

Q12. The antiparticle of an electron is

(i) Positron
(ii) Proton
(iii) Alpha particles
(iv) Beta particles

(i) Positron

Q13. The presence of Cobalt in Vitamin B12 was established for the first time by

(i) Hydrolysis test
(ii) Spectroscopy
(iii) Borax-Bead test
(iv) Sodium Nitroprusside test

(ii) Spectroscopy

Q14. The product, 9-nitroanthracene is obtained from anthracene by the action of

(i) Nitric acid and acetic anhydride
(ii) Nitric acid and ethyl alcohol
(iii) Nitric acid and acetic acid
(iv) Nitric acid in excess

(i) Nitric acid and acetic anhydride

Q15. The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

(i) liquation
(ii) leaching
(iii) levigation
(iv) magnetic separation

(iii) levigation

Q16. Which of the following quantum number determines the number of sub-shells?

(i) Electron spin quantum number
(ii) Principal quantum number
(iii) Magnetic quantum number
(iv) Azimuthal quantum number

(iv) Azimuthal quantum number

Q17. Which of the following is the purest form of Iron?

(i) Pig iron
(ii) Cast iron
(iii) Wrought iron
(iv) None of the above

(iii) Wrought iron

Q18. What do we call the compounds having identical molecular formula but different structures?

(i) Functional isomers
(ii) Structural isomers
(iii) Mirror isomers
(iv) Branched isomers

(ii) Structural isomers

Q19. Which of the following is correct about Calcium oxide?

(i) It is a blue liquid
(ii) It has a melting point of 2870 K
(iii) Both (i) and (ii)
(iv) None

(ii) It has a melting point of 2870 K

Q20. hich of the following is the use of washing soda?

(i) softening of water
(ii) manufacture of glass
(iii) manufacture of paints
(iv) All of the above

(iv) All of the above

Q21. Which of the following factors do not affect the value of modulus of elasticity of a body?

(i) Nature of material
(ii) Temperature of the body
(iii) Length and volume and of the body
(iv) None of the above

(iii) Length and volume and of the body

Q22. Which of the following strains is produced in a body if the deforming force produces a change in the shape of the body without changing its volume?

(i) Linear
(ii) Volumetric
(iii) Shearing
(iv) All of the above

(iii) Shearing

Q23. Which of the following chemicals is also known as “Chinese snow”?

(i) Silver iodide
(ii) Potassium nitrate
(iii) Ammonium chloride
(iv) Sodium phosphate

(ii) Potassium nitrate

We hope the given General Knowladge MCQ Questions for Chemistry GK with Answers PDF Free Download will help you. If you have any queries regarding Chemistry GK MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soons.

Leave a Comment